7th Grade Math EOY Review

Percents

100

What percent of 60 is 15?

What is 25%

200

64 is what percent of 80?

What is 80%

300

4.5 is what percent of 150?

What is 3%

400

What is 12.5% of 400?

What is 50

500

9 is what percent of 60?

What is 15%

Mark Ups and Discounts

100

If an item costs $4.95, and the tax is 7.5%, what will the tax amount be?

What is $0.37

200

At a restaurant, if the bill total is $49.63, and you want to leave an 18% tip, how much tip will you leave?

What is $8.93

300

If an item costs $40, and is marked down 25%, how much will you save?

What is $10.00

400

If you buy an item for 25.84 and pay 8.75% tax, how much will you have to pay?

What is $28.10

500

If you buy an item for $54.68, and get a 22% discount, how much will you pay?

What is $$42.65

Circles

100

What is the circumference of a circle that has a radius of 3.5 m? Round your answer to the nearest hundredth. 

21.99 m

200

What is the area of a semicircle with a diameter of 26 cm?  Round your answer to the nearest whole number. 

265 square cm

300

What is the circumference of a circle with a diameter of 112cm?  Round your answer to the nearest tenth.

351.9 cm

400

What is the area of a circle with a diameter of 33.25 inches? Round your answer to the nearest tenth.

868.3 in

500

What is the area of a semicircle with a radius of 14ft? Round your answer to the nearest whole number. 

308 ft

Expression and Equations

100

8(-10+5v)

-80+40v

200

−5x + 13 = −17

x = 6

300

-10(8+4v)+7v

-80-33v

400

3p − 2 = −29

p = -9

500

−14r − 19 = 303

r = -23

What is the Constant of Proportionality?

100

3y = 9x

k = 3

200

2y = 48x

k = 24

300

96x = 12y

k = 8 

400

12y = 144x 

k = 12

500

91y = 26x

k = 2/7